For my son's robot Halloween costume we want to run four wires for an RGB LED light in the helmet down to n Arduino that is in the main body. The helmet needs to be detachable, so I want to add a plug in these wires where he can fairly easily plug and unplug the wires going from the helmet. I have some spring wire terminals, but they take a lot of force to unplug. A couple of brainstorming ideas I had were wiring to an RJ45 connector or a JST connector. Any thought whether those ideas would be sensible for this, or what easy options are there?